Improve mapgen, add grass, and include the fill tool.

mods/rgt_machines/rgt_machines_mechanical/rgt_machines_mechanical/init.lua

@@ -0,0 +1,22 @@
+local ns = rgt_machines
+
+ns.components = {}
+
+--[[
+    {
+        name = "...", -- The component's name.
+        attach_points 
+    }
+--]]
+function ns.register_component(def)
+    ns.components[def.name] = def
+end
+
+function ns.register_plate(name, def)
+    rgt.register_item(name, def)
+end
+
+
+rgt.register_node("hand_crank", {
+    mesh = "rgt_hand_crank.gltf"
+})

mods/rgt_machines/rgt_machines_mechanical/rgt_machines_mechanical/mod.conf

@@ -0,0 +1,2 @@
+name = rgt_machines_mechanical
+depends = rgt_machines